:root{--bg:#f7fbff;--card:#fff;--ink:#1f2937;--muted:#667085;--brand:#2e7dd1;--accent:#74c043;--line:#dce7f3}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}a{color:var(--brand);font-weight:700;text-decoration:none}a:hover{text-decoration:underline}.container{width:min(1080px,92%);margin:auto}header{padding:22px 0;background:rgba(247,251,255,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.nav{display:flex;justify-content:space-between;gap:16px;align-items:center}.logo{font-size:23px;font-weight:900;color:var(--ink)}nav{display:flex;gap:18px;flex-wrap:wrap}.hero{padding:70px 0;display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}h1{font-size:clamp(38px,6vw,64px);line-height:1.04;margin:0 0 18px}.lead{font-size:21px;color:var(--muted);margin-bottom:26px}.btn{display:inline-block;padding:13px 19px;border-radius:999px;background:var(--brand);color:#fff}.btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}.actions{display:flex;gap:12px;flex-wrap:wrap}.mock{background:#fff;border:1px solid var(--line);border-radius:28px;padding:26px;box-shadow:0 18px 45px rgba(21,54,84,.1);text-align:center}.emoji{font-size:74px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding-bottom:52px}.card,.content{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 10px 28px rgba(21,54,84,.06)}.page{padding:48px 0 72px}.notice{background:#fff7df;border:1px solid #f1d37b;border-radius:16px;padding:15px}.small{color:var(--muted);font-size:14px}footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:14px}.footer-links{display:flex;gap:16px;flex-wrap:wrap;margin-top:8px}@media(max-width:800px){.hero,.grid{grid-template-columns:1fr}.nav{align-items:flex-start;flex-direction:column}}